2021 DA2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2099529253 ± 1.64e-05
Semi-major axis (a)0.8982964767 AU ± 4.21e-06
Inclination (i)8.57468141° ± 8.36e-04
Long. of Asc. Node (Ω)152.84504229° ± 2.45e-05
Arg. of Perihelion (ω)230.91791466° ± 1.95e-04
Mean Anomaly (M)315.01159702° ± 1.25e-02
Mean Motion (n)1.1576645425°/day ± 8.15e-06
Perihelion dist (q)0.70969650 AU ± 1.51e-05
Aphelion dist (Q)1.08689645 AU ± 1.56e-05
Orbital Period0.85139196 yr ± 5.99e-06
Physical Parameters
H (abs. magnitude)29.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.648″
Uncertainty2
Orbit TypeAten
MOID0.000355 AU
Observations Used72
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-22
Last Observation Used2021-03-02
Observations (76)
Date Type RA Dec Mag Band Observatory
2021-02-22 06:03:42 C 11 32 48.48 +39 07 48.8 V H36
2021-02-22 07:49:21 C 11 24 48.97 +40 45 32.1 V 654
2021-02-22 07:52:14 C 11 24 34.63 +40 47 57.1 V 654
2021-02-22 10:34:33 C 11 11 27.33 +42 33 24.3 V H36
2021-02-22 10:42:26 C 11 10 56.85 +42 37 41.5 V H36
2021-02-22 19:00:58 C 10 52 08.18 +46 03 25.2 V Z99
2021-02-22 19:04:34 C 10 52 00.14 +46 04 45.3 V Z99
2021-02-22 19:11:49 C 10 51 43.99 +46 07 26.9 V Z99
2021-02-22 19:15:29 C 10 51 35.93 +46 08 48.0 V Z99
2021-02-22 19:33:31 C 10 51 00.87 +46 15 35.5 V J95
2021-02-22 19:41:29 C 10 50 33.95 +46 24 00.8 o K88
2021-02-22 19:41:38 C 10 50 42.90 +46 18 31.6 V J95
2021-02-22 19:47:37 C 10 50 19.32 +46 26 09.3 o K88
2021-02-22 19:49:51 C 10 50 24.69 +46 21 27.0 V J95
2021-02-22 19:53:43 C 10 50 04.76 +46 28 15.2 o K88
2021-02-22 19:58:45 C 10 50 04.91 +46 24 34.5 V J95
2021-02-23 02:26:07 C 10 35 59.40 +48 03 00.6 o K88
2021-02-23 02:32:28 C 10 35 48.40 +48 03 59.4 o K88
2021-02-23 02:38:55 C 10 35 37.32 +48 04 58.5 o K88
2021-02-24 10:35:49 C 10 07 52.42 +51 19 09.7 o 291
2021-02-24 10:51:27 C 10 07 41.83 +51 19 28.7 o 291
2021-02-25 04:32:03 C 10 01 51.13 +52 01 21.5 V 695
2021-02-25 04:38:40 C 10 01 47.59 +52 01 40.2 V 695
2021-02-25 04:45:18 C 10 01 44.04 +52 01 58.8 V 695
2021-03-02 04:10:49 C 09 44 10.689 +53 16 19.05 V G37
2021-03-02 04:14:19 C 09 44 10.170 +53 16 20.87 V G37